CH499221A - Circuit de protection pour transistor - Google Patents
Circuit de protection pour transistorInfo
- Publication number
- CH499221A CH499221A CH1929468A CH1929468A CH499221A CH 499221 A CH499221 A CH 499221A CH 1929468 A CH1929468 A CH 1929468A CH 1929468 A CH1929468 A CH 1929468A CH 499221 A CH499221 A CH 499221A
- Authority
- CH
- Switzerland
- Prior art keywords
- transistor
- protected
- base
- protective
- resistor
- Prior art date
Links
- 230000001681 protective effect Effects 0.000 claims description 40
- 239000003990 capacitor Substances 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 229910052732 germanium Inorganic materials 0.000 claims description 5
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/20—Repeater circuits; Relay circuits
- H04L25/24—Relay circuits using discharge tubes or semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
- H03K17/0826—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in bipolar transistor switches
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR135099 | 1968-01-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH499221A true CH499221A (fr) | 1970-11-15 |
Family
ID=8644218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1929468A CH499221A (fr) | 1968-01-05 | 1968-12-27 | Circuit de protection pour transistor |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE726070A (en)) |
| CH (1) | CH499221A (en)) |
| FR (1) | FR1559043A (en)) |
-
1968
- 1968-01-05 FR FR1559043D patent/FR1559043A/fr not_active Expired
- 1968-12-27 CH CH1929468A patent/CH499221A/fr not_active IP Right Cessation
- 1968-12-27 BE BE726070D patent/BE726070A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE726070A (en)) | 1969-06-27 |
| FR1559043A (en)) | 1969-03-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |